Name: Thai Grilled Chicken (Gai Yang) Recipe
Prep time: 15 min
Cook time: 12 min
Total time: 3 h 27 min
Cuisine: Thai
Ingredients: 2 lb / 1 kg chicken thigh fillets, skinless and boneless; 1 large lemongrass stalk, white part only, sliced 5mm / 1/5″ thick; 4 cloves garlic, peeled; 2 1/2 tbsp fish sauce; 1 tbsp light soy sauce (or any all-purpose soy or tamari); 2 tsp dark soy sauce; 3 tbsp tightly packed brown sugar or palm sugar; 2 tbsp oil (vegetable, canola, or any neutral flavored oil); Nam Jim Jaew (traditional Thai dipping sauce for meat) *RECOMMENDED*; Lime sweet chili sauce; Bottle of sweet chili sauce; Lime wedges; Red chili, finely sliced (optional); Cilantro / coriander leaves (optional); Coconut rice

Jump to Recipe·4 from 9 reviews

If you are craving something vibrant, full of flavor, and utterly satisfying, this Thai Grilled Chicken (Gai Yang) Recipe is sure to become your new favorite. Juicy chicken thighs marinated in an aromatic blend of lemongrass, garlic, and savory sauces get grilled to a perfect caramelized finish that bursts with authentic Thai taste. Every bite offers a perfect harmony of sweet, salty, and tangy flavors that transport you straight to the bustling street food stalls of Thailand, making this dish both approachable and incredibly memorable.

Ingredients You’ll Need

A clear glass bowl on a white marbled surface holds several pieces of raw chicken marinated in a thick, dark reddish-brown sauce that coats each piece fully. The chicken pieces vary in size and shape, with a glossy texture from the marinade. The liquid sauce pools around the chicken, showing a slightly grainy texture. The bowl is filled to about three-quarters with the chicken and sauce mixture. photo taken with an iphone --ar 4:5 --v 7

Getting your hands on the right ingredients makes all the difference, and this recipe uses simple but essential elements that bring the magic to life. Each item plays a crucial role—whether it’s layering flavor, providing that melt-in-your-mouth texture, or adding an irresistible aroma.

Chicken thigh fillets (skinless, boneless): Perfectly tender and juicy, these absorb the marinade beautifully without drying out on the grill.
Lemongrass stalk (white part only): Offers a fresh, zesty citrus note that is the heart of authentic Thai flavor.
Garlic cloves: Adds pungent warmth and depth that balances the sweetness perfectly.
Fish sauce: Brings umami and authentic Thai saltiness that elevates the whole dish.
Light soy sauce: Adds a gentle, savory touch and a bit of color.
Dark soy sauce: Gives a rich color and deeper flavor complexity.
Brown sugar or palm sugar: Sweetens the marinade and helps caramelize the chicken beautifully on the grill.
Vegetable or neutral-flavored oil: Keeps the chicken moist and ensures even cooking.
Nam Jim Jaew, lime sweet chili sauce, or sweet chili sauce: For dipping, these add bursts of tanginess and spice to enhance every bite.
Lime wedges, red chili slices, and cilantro/coriander leaves: Fresh garnishes that bring brightness, heat, and herbal freshness.
Coconut rice: A luscious side that pairs perfectly by soaking up all the fragrant juices.

How to Make Thai Grilled Chicken (Gai Yang) Recipe

Step 1: Blitz the Marinade

Start by combining all the marinade ingredients except the oil in a jug—lemongrass, garlic, fish sauce, soy sauces, and sugar. Use a stick blender to pulverize the lemongrass and garlic into a smooth, fragrant paste. If you don’t have a stick blender, simply finely grate these and mix everything thoroughly. This step infuses the marinade with a powerful herbal punch that defines the dish.

Step 2: Marinate the Chicken

Transfer the marinade into a bowl, then stir in the oil to bind it nicely. Toss the chicken thigh fillets in this mixture until each piece is fully coated. Cover and refrigerate for at least 3 hours to allow the flavors to deeply penetrate—overnight is even better if you can wait. If you don’t have much time, slice the chicken thinly and quickly toss it in the marinade before cooking it as a stir-fry for a faster, yet still delicious, version.

Step 3: Prepare the Grill or Pan

Fire up your outdoor BBQ grill on high heat or preheat a non-stick pan on the stove. The high initial heat is key to getting that signature char and caramelized crust on the chicken which locks in juices and flavor.

Step 4: Cook the Chicken

Remove the chicken from the marinade, letting excess drip off, and discard the leftover marinade (unless baking in the oven, then follow specific notes). Place the chicken onto the grill or pan, immediately lowering the heat to medium so that the sugar in the marinade doesn’t burn. Cook each side for about 5 to 6 minutes until golden brown and cooked through. If you see burning, flip the chicken more often to prevent stubborn char marks while still achieving that beautiful grilling effect.

Step 5: Rest and Serve

Once cooked, let the chicken rest for a few minutes to allow the juices to redistribute, ensuring every bite is juicy and tender. Serve with a generous portion of steamy coconut rice, lime wedges for squeezing, fresh chilies, coriander leaves, and your favorite dipping sauce like Nam Jim Jaew or a sweet chili blend to complete this stunning Thai feast.

How to Serve Thai Grilled Chicken (Gai Yang) Recipe

A white plate holds three main layers: at the bottom, a mound of fluffy white rice topped with a light sprinkling of brownish seasoning; on the right side above the rice, a neat row of thin, bright green cucumber slices with visible seeds; covering much of the plate's front and left side are dark brown grilled meat pieces with a shiny glaze, garnished with small red chili slices and fresh green cilantro leaves; scattered around the plate are quartered lime wedges adding bright green contrast; on the left side of the plate, a small white bowl filled with a greenish-brown dipping sauce with bits of herbs, partially eaten by a fork with a piece of meat on it, held by a woman's hand; the plate is placed on a white marbled surface with a pale green cloth casually draped nearby photo taken with an iphone --ar 4:5 --v 7

Garnishes

The fresh garnishes are what make this dish come alive visually and flavor-wise. Bright lime wedges add a zesty squeeze that cuts through the richness, thinly sliced red chilies deliver a vibrant spicy kick, and coriander leaves impart an herby freshness that lifts every forkful. Together, they add layers of excitement to this grilled delight.

Side Dishes

Coconut rice is a classic partner here, its creamy sweetness perfectly complementing the savory grilled chicken. You could also offer simple steamed jasmine rice with a splash of fragrant pandan leaves. If you want to balance the richness with some crunch, a crisp Thai green papaya salad (Som Tum) works beautifully, adding a refreshing contrast.

Creative Ways to Present

For an inviting presentation, slice the grilled chicken and fan it out on a platter, drizzle with some dipping sauce, and sprinkle with fresh herbs and chilies. Wrap small pieces in lettuce leaves with a dab of sauce for a fun finger food twist. This makes it perfect for gatherings, letting guests build their own wraps and taste the flavors in every bite.

Make Ahead and Storage

Storing Leftovers

Once cooled, place leftover grilled chicken in an airtight container and refrigerate. It will keep well for up to 3 days. The flavors may even deepen overnight, making for a delicious snack or quick meal the next day.

Freezing

You can freeze cooked Thai Grilled Chicken (Gai Yang) Recipe portions by wrapping them tightly in foil or plastic wrap before placing in a freezer-safe bag. Frozen grilled chicken stays great for up to 2 months. Be sure to thaw overnight in the fridge before reheating.

Reheating

To reheat, use a non-stick pan on medium heat or an oven set around 350°F (175°C) until warmed through. Avoid microwaving if possible, as it can dry out the chicken and alter the texture. A quick reheat on the grill will also bring back that fresh-charred flavor.

FAQs

Can I use chicken breast instead of thigh fillets?

Yes, but chicken breasts are leaner and can dry out quickly, so watch the grill time carefully and consider slicing them thinner for quicker cooking. Thighs are preferred for juiciness and flavor absorption.

What can I substitute if I don’t have lemongrass?

If fresh lemongrass isn’t available, use about 1 tablespoon of lemongrass paste or finely grate ginger and a little lime zest combined for a similar aromatic effect.

Is fish sauce necessary in this recipe?

Fish sauce is key for authentic umami and saltiness, but if you’re vegetarian or allergic, you can substitute with soy sauce plus a splash of seaweed broth to mimic the depth.

Can I make this recipe without a grill?

Absolutely! A heavy non-stick skillet or grill pan on the stove works perfectly. You can also bake the chicken in the oven at 400°F (200°C) for 20 minutes, turning halfway, but watch that it doesn’t dry out.

What is Nam Jim Jaew and why is it recommended?

Nam Jim Jaew is a traditional Thai dipping sauce made from toasted rice powder, chili flakes, lime, and fish sauce. It adds tangy, smoky, and spicy notes that elevate grilled meats beautifully, making it highly recommended with this dish.

Final Thoughts

Trust me, once you try this Thai Grilled Chicken (Gai Yang) Recipe, it will quickly become a beloved staple in your recipe collection. Its balance of sweet, salty, and fragrant flavors makes it a crowd-pleaser with surprisingly simple ingredients and steps. I can’t wait for you to fire up the grill and enjoy this taste of Thailand in your own home!